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Basalt fibers as functional additives in coating of textiles
Journal of Coatings Technology and Research ( IF 2.3 ) Pub Date : 2020-08-31 , DOI: 10.1007/s11998-020-00383-8
Carolin Ruffen , Boris Mahltig

In the presented study, basalt fibers are used as additives in polymer coatings applied onto textiles substrates. As basalt fibers, short fibers with diameters of around 13 µm and with lengths in the range of 0.16–4 mm are used. As the textile substrate, a cotton fabric is used. The polymer coatings are based on acrylate or polyurethane. As a further coating additive, the silicate compound Aerosil is also evaluated. The realized coated materials are investigated by scanning electron microscopy (SEM) and by optical spectroscopy in arrangement of diffusive reflection and transmission. The optical spectra are recorded in a spectral range from 220 to 1400 nm. By these optical measurements, it is demonstrated that the optical properties for UV-light, visible light and near infrared light are influenced by the basalt-containing coatings. The transmission for UV-light is drastically reduced. It is possible to decrease the transmission for infrared light drastically by use of these coating while the IR-reflectance stays on a significant level. In future perspective, these types of coatings could be used as protection against both UV- and IR-light. The surface topography of realized coatings is dominated by the applied basalt fibers. In the case of medium or high basalt fiber concentration, a parallel orientation of some basalt fibers occurs. This type of parallel arrangement could be used in future perspective for different types of applications, e.g., the development of new filter materials.



中文翻译:

玄武岩纤维作为纺织品涂层中的功能性添加剂

在提出的研究中,玄武岩纤维被用作添加到纺织品基材上的聚合物涂料中的添加剂。作为玄武岩纤维,可以使用直径约13 µm,长度在0.16–4 mm范围内的短纤维。作为棉织物,使用棉织物。聚合物涂层基于丙烯酸酯或聚氨酯。作为另一种涂料添加剂,还评估了硅酸盐化合物Aerosil。通过扫描电子显微镜(SEM)和光学光谱研究扩散反射和透射的排列方式来研究实现的涂层材料。在220至1400nm的光谱范围内记录光谱。通过这些光学测量,证明了含玄武岩的涂层会影响紫外线,可见光和近红外光的光学性能。紫外线的透射率大大降低。通过使用这些涂层,可以在红外线反射率保持显着水平的同时,大幅降低红外线的透射率。从未来的角度来看,这些类型的涂料可以用作紫外线和红外线的防护剂。实际涂层的表面形貌主要由所施加的玄武岩纤维决定。在中等或高玄武岩纤维浓度的情况下,某些玄武岩纤维发生平行取向。这种类型的平行布置可在将来用于不同类型的应用,例如,开发新的过滤材料。从未来的角度来看,这些类型的涂料可以用作紫外线和红外线的防护剂。实际涂层的表面形貌主要由所施加的玄武岩纤维决定。在中等或高玄武岩纤维浓度的情况下,某些玄武岩纤维发生平行取向。这种类型的平行布置可在将来用于不同类型的应用,例如,开发新的过滤材料。从未来的角度来看,这些类型的涂料可以用作紫外线和红外线的防护剂。实际涂层的表面形貌主要由所施加的玄武岩纤维决定。在中等或高玄武岩纤维浓度的情况下,某些玄武岩纤维发生平行取向。这种类型的平行布置可在将来用于不同类型的应用,例如,开发新的过滤材料。

更新日期:2020-09-01
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